[INFO] cloning repository https://github.com/Solo-steven/learning-rust-parallel
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Solo-steven/learning-rust-parallel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSolo-steven%2Flearning-rust-parallel", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSolo-steven%2Flearning-rust-parallel'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] baf50b8ac00872d1912f3c037691f0b72e0daa7f
[INFO] checking Solo-steven/learning-rust-parallel/baf50b8ac00872d1912f3c037691f0b72e0daa7f against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSolo-steven%2Flearning-rust-parallel" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Solo-steven/learning-rust-parallel on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Solo-steven/learning-rust-parallel
[INFO] finished tweaking git repo https://github.com/Solo-steven/learning-rust-parallel
[INFO] tweaked toml for git repo https://github.com/Solo-steven/learning-rust-parallel written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Solo-steven/learning-rust-parallel already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded memchr v2.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f7cef20ded941c5ecf9b41e389dc30f357555202cfe96f5fd07a1f07ca0e60e9
[INFO] running `Command { std: "docker" "start" "-a" "f7cef20ded941c5ecf9b41e389dc30f357555202cfe96f5fd07a1f07ca0e60e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7cef20ded941c5ecf9b41e389dc30f357555202cfe96f5fd07a1f07ca0e60e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7cef20ded941c5ecf9b41e389dc30f357555202cfe96f5fd07a1f07ca0e60e9", kill_on_drop: false }`
[INFO] [stdout] f7cef20ded941c5ecf9b41e389dc30f357555202cfe96f5fd07a1f07ca0e60e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df108f6af235a8d5b80bdd566a7d87db4e13407c722839ad59ecfc27d00ff360
[INFO] running `Command { std: "docker" "start" "-a" "df108f6af235a8d5b80bdd566a7d87db4e13407c722839ad59ecfc27d00ff360", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]    Compiling serde_json v1.0.105
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking ciborium-io v0.2.1
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking plotters-backend v0.3.5
[INFO] [stderr]     Checking os_str_bytes v6.5.1
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking regex-syntax v0.7.5
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking textwrap v0.16.0
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking ciborium-ll v0.2.1
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]     Checking walkdir v2.3.3
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking plotters-svg v0.3.5
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]     Checking learning-rust-parallel v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stderr]    Compiling syn v2.0.29
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking regex-automata v0.3.7
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking rayon v1.7.0
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking regex v1.9.4
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]     Checking ciborium v0.2.1
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.4.0
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.34s
[INFO] running `Command { std: "docker" "inspect" "df108f6af235a8d5b80bdd566a7d87db4e13407c722839ad59ecfc27d00ff360", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df108f6af235a8d5b80bdd566a7d87db4e13407c722839ad59ecfc27d00ff360", kill_on_drop: false }`
[INFO] [stdout] df108f6af235a8d5b80bdd566a7d87db4e13407c722839ad59ecfc27d00ff360